diff --git a/projects/Math/48/org/apache/commons/math/analysis/solvers/BaseSecantSolver.java b/projects/Math/48/org/apache/commons/math/analysis/solvers/BaseSecantSolver.java
index 8a667da..0347525 100644
--- a/projects/Math/48/org/apache/commons/math/analysis/solvers/BaseSecantSolver.java
+++ b/projects/Math/48/org/apache/commons/math/analysis/solvers/BaseSecantSolver.java
@@ -186,6 +186,9 @@ protected final double doSolve() {
                 case REGULA_FALSI:
                     // Detect early that algorithm is stuck, instead of waiting
                     // for the maximum number of iterations to be exceeded.
+                    if (x == x1) {
+                        throw new ConvergenceException();
+                    }
                     break;
                 default:
                     // Should never happen.