diff --git a/js/src/methodjit/Compiler.cpp b/js/src/methodjit/Compiler.cpp
index 9d32ceff86b..f6276d5cac6 100644
--- a/js/src/methodjit/Compiler.cpp
+++ b/js/src/methodjit/Compiler.cpp
@@ -2625,6 +2625,7 @@ mjit::Compiler::inlineCallHelper(uint32 callImmArgc, bool callingNew)
 
     Jump rejoin1, rejoin2;
     {
+        RESERVE_OOL_SPACE(stubcc.masm);
         stubcc.linkExitDirect(j, stubcc.masm.label());
         callIC.slowPathStart = stubcc.masm.label();
 
@@ -2710,6 +2711,8 @@ mjit::Compiler::inlineCallHelper(uint32 callImmArgc, bool callingNew)
         rejoin2 = stubcc.masm.jump();
     }
 
+    RESERVE_IC_SPACE(masm);
+
     /*
      * If the call site goes to a closure over the same function, it will
      * generate an out-of-line stub that joins back here.
diff --git a/js/src/methodjit/FastArithmetic.cpp b/js/src/methodjit/FastArithmetic.cpp
index 5daba7cab60..653581d63ed 100644
--- a/js/src/methodjit/FastArithmetic.cpp
+++ b/js/src/methodjit/FastArithmetic.cpp
@@ -1015,11 +1015,13 @@ mjit::Compiler::jsop_equality_int_string(JSOp op, BoolStub stub, jsbytecode *tar
         frame.pop();
         frame.discardFrame();
 
+        JaegerSpew(JSpew_Insns, " ---- BEGIN STUB CALL CODE ---- \n");
+
+        RESERVE_OOL_SPACE(stubcc.masm);
+
         /* Start of the slow path for equality stub call. */
         Label stubEntry = stubcc.masm.label();
 
-        JaegerSpew(JSpew_Insns, " ---- BEGIN STUB CALL CODE ---- \n");
-
         /* The lhs/rhs need to be synced in the stub call path. */
         frame.ensureValueSynced(stubcc.masm, lhs, lvr);
         frame.ensureValueSynced(stubcc.masm, rhs, rvr);
@@ -1063,6 +1065,7 @@ mjit::Compiler::jsop_equality_int_string(JSOp op, BoolStub stub, jsbytecode *tar
         Jump stubFallthrough = stubcc.masm.jump();
 
         JaegerSpew(JSpew_Insns, " ---- END STUB CALL CODE ---- \n");
+        CHECK_OOL_SPACE();
 
         Jump fast;
         MaybeJump firstStubJump;