diff --git a/debian/rules b/debian/rules
index ab0a90d0..9b0657d6 100755
--- a/debian/rules
+++ b/debian/rules
@@ -445,6 +445,10 @@ VERBOSE=VERBOSE=1
 #VERBOSE=-v
 
 debian-full-build:
+	if test -f /tmp/cmake/bin/cmake; then \
+		CMAKE_BIN=/tmp/cmake/bin/cmake; \
+		LD_LIBRARY_PATH=$$LD_LIBRARY_PATH:/tmp/cmake/bin/; \
+	fi; \
 	$(PRE_PROCESS) make $(NJOBS) -C $(TARGET_BUILD) $(VERBOSE) CFLAGS="$(CFLAGS_EXTRA)" CXXFLAGS="$(CXXFLAGS_EXTRA)"  LDFLAGS="$(LDFLAGS_EXTRA)" REQUIRES_RTTI=1 DEBUGMAKE=1 $(BUILD_METHOD)
 
 # Check the stage 2 build worked