diff --git a/buildbot/osuosl/master/config/builders.py b/buildbot/osuosl/master/config/builders.py
--- a/buildbot/osuosl/master/config/builders.py
+++ b/buildbot/osuosl/master/config/builders.py
@@ -1134,7 +1134,7 @@
                             '-DLLVM_TARGETS_TO_BUILD=PowerPC',
                             '-DLLVM_INSTALL_UTILS=ON',
                             '-DCMAKE_CXX_STANDARD=17',
-                            '-DLLVM_ENABLE_PROJECTS="mlir"',
+                            '-DLLVM_ENABLE_PROJECTS=mlir',
                             '-DLLVM_LIT_ARGS="-vj 256"',
                         ],
                         env={
@@ -1615,7 +1615,7 @@
                              '-DLLVM_TARGETS_TO_BUILD=PowerPC',
                              '-DLLVM_INSTALL_UTILS=ON',
                              '-DCMAKE_CXX_STANDARD=17',
-                             '-DLLVM_ENABLE_PROJECTS="flang"',
+                             '-DLLVM_ENABLE_PROJECTS=flang',
                              '-DLLVM_LIT_ARGS="-vj 256"'
                          ],
                          env={