diff --git a/fake-toolchain/Unix/cc b/fake-toolchain/Unix/cc
index 03e796105b..0d6417386d 100755
--- a/fake-toolchain/Unix/cc
+++ b/fake-toolchain/Unix/cc
@@ -1,10 +1,10 @@
 #!/bin/sh
 
-if [[ ! -z "$YCM_CONFIG_GEN_CC_PASSTHROUGH" ]]; then
+if [ ! -z "$YCM_CONFIG_GEN_CC_PASSTHROUGH" ]; then
     # Cmake determines compiler properties by compiling a test file, so call clang for this case
     $YCM_CONFIG_GEN_CC_PASSTHROUGH $@
 
-elif [ "$@" = "-v" ]; then
+elif [ "$1" = "-v" ] || [ "$1" = "--version" ]; then
     # Needed to enable clang-specific options for certain build systems (e.g. linux)
     echo "clang version 3.5.0 (fake toolchain)"
 
diff --git a/fake-toolchain/Unix/cxx b/fake-toolchain/Unix/cxx
index 3db8744404..fce6a10b62 100755
--- a/fake-toolchain/Unix/cxx
+++ b/fake-toolchain/Unix/cxx
@@ -1,10 +1,10 @@
 #!/bin/sh
 
-if [[ ! -z "$YCM_CONFIG_GEN_CXX_PASSTHROUGH" ]]; then
+if [ ! -z "$YCM_CONFIG_GEN_CC_PASSTHROUGH" ]; then
     # Cmake determines compiler properties by compiling a test file, so call clang for this case
     $YCM_CONFIG_GEN_CXX_PASSTHROUGH $@
 
-elif [ "$@" = "-v" ]; then
+elif [ "$1" = "-v" ] || [ "$1" = "--version" ]; then
     # Needed to enable clang-specific options for certain build systems (e.g. linux)
     echo "clang version 3.5.0 (fake toolchain)"