diff --git a/Qt/QtMain.cpp b/Qt/QtMain.cpp
index 5ed1349ddae6..5be0cefa01a3 100644
--- a/Qt/QtMain.cpp
+++ b/Qt/QtMain.cpp
@@ -155,9 +155,9 @@ std::vector<std::string> System_GetPropertyStringVec(SystemProperty prop) {
 	case SYSPROP_TEMP_DIRS:
 		if (getenv("TMPDIR") && strlen(getenv("TMPDIR")) != 0)
 			result.push_back(getenv("TMPDIR"));
-		if (getenv("TMPDIR") && strlen(getenv("TMP")) != 0)
+		if (getenv("TMP") && strlen(getenv("TMP")) != 0)
 			result.push_back(getenv("TMP"));
-		if (getenv("TMPDIR") && strlen(getenv("TEMP")) != 0)
+		if (getenv("TEMP") && strlen(getenv("TEMP")) != 0)
 			result.push_back(getenv("TEMP"));
 		return result;
 
diff --git a/SDL/SDLMain.cpp b/SDL/SDLMain.cpp
index e04edae1e4bc..98b56fe91212 100644
--- a/SDL/SDLMain.cpp
+++ b/SDL/SDLMain.cpp
@@ -332,9 +332,9 @@ std::vector<std::string> System_GetPropertyStringVec(SystemProperty prop) {
 	case SYSPROP_TEMP_DIRS:
 		if (getenv("TMPDIR") && strlen(getenv("TMPDIR")) != 0)
 			result.push_back(getenv("TMPDIR"));
-		if (getenv("TMPDIR") && strlen(getenv("TMP")) != 0)
+		if (getenv("TMP") && strlen(getenv("TMP")) != 0)
 			result.push_back(getenv("TMP"));
-		if (getenv("TMPDIR") && strlen(getenv("TEMP")) != 0)
+		if (getenv("TEMP") && strlen(getenv("TEMP")) != 0)
 			result.push_back(getenv("TEMP"));
 		return result;
 
diff --git a/UWP/PPSSPP_UWPMain.cpp b/UWP/PPSSPP_UWPMain.cpp
index 517f1c6f5c76..0ba7fac4b69e 100644
--- a/UWP/PPSSPP_UWPMain.cpp
+++ b/UWP/PPSSPP_UWPMain.cpp
@@ -373,9 +373,9 @@ std::vector<std::string> System_GetPropertyStringVec(SystemProperty prop) {
 
 		if (getenv("TMPDIR") && strlen(getenv("TMPDIR")) != 0)
 			result.push_back(getenv("TMPDIR"));
-		if (getenv("TMPDIR") && strlen(getenv("TMP")) != 0)
+		if (getenv("TMP") && strlen(getenv("TMP")) != 0)
 			result.push_back(getenv("TMP"));
-		if (getenv("TMPDIR") && strlen(getenv("TEMP")) != 0)
+		if (getenv("TEMP") && strlen(getenv("TEMP")) != 0)
 			result.push_back(getenv("TEMP"));
 		return result;
 	}
diff --git a/Windows/main.cpp b/Windows/main.cpp
index fcff1d71830d..4d948cfe5b6a 100644
--- a/Windows/main.cpp
+++ b/Windows/main.cpp
@@ -233,9 +233,9 @@ std::vector<std::string> System_GetPropertyStringVec(SystemProperty prop) {
 
 		if (getenv("TMPDIR") && strlen(getenv("TMPDIR")) != 0)
 			result.push_back(getenv("TMPDIR"));
-		if (getenv("TMPDIR") && strlen(getenv("TMP")) != 0)
+		if (getenv("TMP") && strlen(getenv("TMP")) != 0)
 			result.push_back(getenv("TMP"));
-		if (getenv("TMPDIR") && strlen(getenv("TEMP")) != 0)
+		if (getenv("TEMP") && strlen(getenv("TEMP")) != 0)
 			result.push_back(getenv("TEMP"));
 		return result;
 	}