diff --git a/legacy/ephysics/configure.ac b/legacy/ephysics/configure.ac
index 30659db09e..dc7ca71f17 100644
--- a/legacy/ephysics/configure.ac
+++ b/legacy/ephysics/configure.ac
@@ -139,10 +139,10 @@ PKG_CHECK_MODULES([EPHYSICS],
     evas >= 1.2.0
     ecore >= 1.2.0
     ecore-evas >= 1.2.0
-    bullet >= 2.80
+    bullet >= 2.79
    ])
 
-requirement_ephysics="bullet >= 2.80 ecore-evas >= 1.2.0 ecore >= 1.2.0 evas >= 1.2.0 eina >= 1.2.0 ${requirement_ephysics}"
+requirement_ephysics="bullet >= 2.79 ecore-evas >= 1.2.0 ecore >= 1.2.0 evas >= 1.2.0 eina >= 1.2.0 ${requirement_ephysics}"
 
 ### Checks for header files
 AC_CHECK_HEADERS([locale.h sys/resource.h])
@@ -199,7 +199,7 @@ PKG_CHECK_MODULES([EPHYSICS_TEST],
     ecore >= 1.2.0
     ecore-evas >= 1.2.0
     elementary >= 1.0.0
-    bullet >= 2.80
+    bullet >= 2.79
    ])
 fi